[Why&How]
The omitted register definition caused call traces like:
[ 3.811215] WARNING: CPU: 7 PID: 794 at drivers/gpu/drm/amd/amdgpu/../display/dc/dc_helper.c:120 set_reg_field_values.constprop.0+0xc7/0xe0 [amdgpu]
[ 3.811406] Modules linked in: amdgpu(+) drm_ttm_helper ttm iommu_v2 gpu_sched drm_kms_helper cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt fb_sys_fops cfbcopyarea drm i2c_piix4 drm_panel_orientation_quirks
[ 3.811419] CPU: 7 PID: 794 Comm: systemd-udevd Not tainted 5.16.0-kfd+ #132
[ 3.811422] Hardware name: System manufacturer System Product Name/ROG STRIX B450-F GAMING, BIOS 3003 12/09/2019
[ 3.811425] RIP: 0010:set_reg_field_values.constprop.0+0xc7/0xe0 [amdgpu]
[ 3.811615] Code: 08 49 89 51 08 8b 08 48 8d 42 08 49 89 41 08 44 8b 02 48 8d 50 08 0f b6 c9 49 89 51 08 8b 00 45 85 c0 75 b3 0f 0b eb af 5d c3 <0f> 0b e9 48 ff ff ff 49 8b 51 08 eb d0 49 8b 41 08 eb d5 66 0f 1f
[ 3.811619] RSP: 0018:ffffb8c1c04cf640 EFLAGS: 00010246
[ 3.811621] RAX: 0000000000000000 RBX: ffff96f2100d8800 RCX: 0000000000000000
[ 3.811623] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffb8c1c04cf650
[ 3.811625] RBP: ffffb8c1c04cf640 R08: 000000000000047f R09: ffffb8c1c04cf658
[ 3.811627] R10: ffff96f5161ff000 R11: ffff96f5161ff000 R12: ffff96f204afb9c0
[ 3.811629] R13: 0000000000000000 R14: ffff96f202b94c00 R15: ffffb8c1c04cf718
[ 3.811631] FS: 00007fe07c2e2880(0000) GS:ffff96f5059c0000(0000) knlGS:0000000000000000
[ 3.811634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.811636] CR2: 0000559634ab57b8 CR3: 0000000120674000 CR4: 00000000003506e0
[ 3.811637] Call Trace:
[ 3.811640] <TASK>
[ 3.811642] generic_reg_update_ex+0x69/0x200 [amdgpu]
[ 3.811831] ? _printk+0x58/0x6f
[ 3.811836] dcn32_init_crb+0x18f/0x1b0 [amdgpu]
[ 3.812031] dcn32_init_hw+0x379/0x6a0 [amdgpu]
[ 3.812223] dc_hardware_init+0xba/0x100 [amdgpu]
[ 3.812415] amdgpu_dm_init.isra.0.cold+0x166/0x1867 [amdgpu]
[ 3.812616] ? dev_vprintk_emit+0x139/0x15d
[ 3.812621] ? dev_printk_emit+0x4e/0x65
[ 3.812624] dm_hw_init+0x12/0x30 [amdgpu]
[ 3.812820] amdgpu_device_init.cold+0x130d/0x178c [amdgpu]
[ 3.813017] ? pci_read_config_word+0x25/0x40
[ 3.813021] amdgpu_driver_load_kms+0x1a/0x130 [amdgpu]
[ 3.813178] amdgpu_pci_probe+0x130/0x330 [amdgpu]
Fixes: 7ea50d53 ("drm/amd: add register headers for DCN32/321")
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h | 2 ++
drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_offset.h | 2 ++
drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_sh_mask.h | 3 +++
drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_offset.h | 2 ++
drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_sh_mask.h | 4 ++++
5 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h
index 8d3ea8ee5b3b..3bae6e558971 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h
@@ -65,6 +65,7 @@
SR(DCHUBBUB_DET3_CTRL),\
SR(DCHUBBUB_COMPBUF_CTRL),\
SR(COMPBUF_RESERVED_SPACE),\
+ SR(DCHUBBUB_DEBUG_CTRL_0),\
SR(DCHUBBUB_ARB_USR_RETRAINING_CNTL),\
SR(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_A),\
SR(DCHUBBUB_ARB_USR_RETRAINING_WATERMARK_B),\
@@ -118,6 +119,7 @@
HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, mask_sh), \
HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, mask_sh), \
HUBBUB_SF(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, mask_sh),\
+ HUBBUB_SF(DCHUBBUB_DEBUG_CTRL_0, DET_DEPTH, mask_sh),\
HUBBUB_SF(DCHUBBUB_DET0_CTRL, DET0_SIZE, mask_sh),\
HUBBUB_SF(DCHUBBUB_DET0_CTRL, DET0_SIZE_CURRENT, mask_sh),\
HUBBUB_SF(DCHUBBUB_DET1_CTRL, DET1_SIZE, mask_sh),\
diff --git a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_offset.h b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_offset.h
index 6f84ea5c006f..14c29ce4c7b3 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_offset.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_offset.h
@@ -1807,6 +1807,8 @@
#define regDCHUBBUB_DET2_CTRL_BASE_IDX 2
#define regDCHUBBUB_DET3_CTRL 0x04be
#define regDCHUBBUB_DET3_CTRL_BASE_IDX 2
+#define regDCHUBBUB_DEBUG_CTRL_0 0x04c5
+#define regDCHUBBUB_DEBUG_CTRL_0_BASE_IDX 2
#define regDCHUBBUB_MEM_PWR_MODE_CTRL 0x04c0
#define regDCHUBBUB_MEM_PWR_MODE_CTRL_BASE_IDX 2
#define regCOMPBUF_MEM_PWR_CTRL_1 0x04c1
diff --git a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_sh_mask.h
index d42f91560bb9..0691e328d0f0 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_sh_mask.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_0_sh_mask.h
@@ -6348,6 +6348,9 @@
#define COMPBUF_RESERVED_SPACE__COMPBUF_RESERVED_SPACE_64B_MASK 0x00000FFFL
#define COMPBUF_RESERVED_SPACE__COMPBUF_RESERVED_SPACE_ZS_MASK 0x0FFF0000L
+//DCHUBBUB_DEBUG_CTRL_0
+#define DCHUBBUB_DEBUG_CTRL_0__DET_DEPTH__SHIFT 0x10
+#define DCHUBBUB_DEBUG_CTRL_0__DET_DEPTH_MASK 0x07FF0000L
// addressBlock: dcn_dc_dchubbubl_hubbub_vmrq_if_dispdec
//DCN_VM_CONTEXT0_CNTL
diff --git a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_offset.h b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_offset.h
index e40a924c02ce..3bd8792fd7b3 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_offset.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_offset.h
@@ -1817,6 +1817,8 @@
#define regDCHUBBUB_MEM_PWR_STATUS_BASE_IDX 2
#define regCOMPBUF_RESERVED_SPACE 0x04c4
#define regCOMPBUF_RESERVED_SPACE_BASE_IDX 2
+#define regDCHUBBUB_DEBUG_CTRL_0 0x04c5
+#define regDCHUBBUB_DEBUG_CTRL_0_BASE_IDX 2
// addressBlock: dce_dc_dchubbubl_hubbub_vmrq_if_dispdec
diff --git a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_sh_mask.h
index 23faa628cd59..e82dffc2b9b0 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_sh_mask.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/dcn/dcn_3_2_1_sh_mask.h
@@ -6350,6 +6350,10 @@
#define COMPBUF_RESERVED_SPACE__COMPBUF_RESERVED_SPACE_64B_MASK 0x00000FFFL
#define COMPBUF_RESERVED_SPACE__COMPBUF_RESERVED_SPACE_ZS_MASK 0x0FFF0000L
+//DCHUBBUB_DEBUG_CTRL_0
+#define DCHUBBUB_DEBUG_CTRL_0__DET_DEPTH__SHIFT 0x10
+#define DCHUBBUB_DEBUG_CTRL_0__DET_DEPTH_MASK 0x07FF0000L
+
// addressBlock: dce_dc_dchubbubl_hubbub_vmrq_if_dispdec
//DCN_VM_CONTEXT0_CNTL
--
2.36.1
